rubocop-changes will run rubocop on changed lines from forked point in your main branch. It will not complain about existing offenses in master branch on your git prioject. This gem is perfect as a Continuous Integration tool

Saddler reporter for GitHub.

Filter errors(checkstyle) by git diff.

Danger plugin to detect any NSLog/print entries left in the code

A danger plugin to add a comment based on regexp

Danger plugin to analyse and report sonar violations in pull request Diff.

OBS Deployment tool

Checks for deployment target changes in Xcode project files.

A utility to fetch the data required to generate a changelog based on change in Github and formatted labels.

Manage local rules by Danger.

A danger plugin show warnings against fit, fcontext or your filter tag

Rubocop is great. Running rubocop on a large file of old code yields tons of violations that are risky and costly to update. This gem allows you to run rubocop only against the files and lines that you've changed/added that show up in `git diff`.

eslint-changes will run eslint on changed lines from forked point in your main branch. It will not complain about existing offenses in master branch on your git prioject. This gem is perfect as a Continuous Integration tool

filter gitlab merge request changes files & swiftlint json, last add line code with gitlab discussion

show changed files from open pull requests

Maps line from old version to new version.

CLI to comment github PR/commit

A command line tool for using the lintron service against local changes (requires a lintron server).

Nulogy's implementation of RuboCop, including custom cops and additional tooling.

Allow your CI to notice and/or annotate new quality issues, despite the presences of many pre-existing issues in your codebase.